======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '183'
                                          'artist'  'Henk Elsink'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wat een vak'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-2', 'Q-GRIT-1', 'Q-PLAY-1', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '120.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Wat een vak'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Henk Elsink'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWozZg+uUMLMHg6MHejrlgAGBxIZU++qlhRjThMzkt4ABheQT5rGJgAH7GZG3hRaAAdFXvmXZyoABgAHCu/Jv+Au+0LGEgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.528057'

========================== row from database ==========================
                                              'id'  1495363
                                            'path'  /data/Music/Other/Pa/Nederlands/Henk Elsink/Wat een vak.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  183
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3677324
                                           'mtime'  1621630398
                                   'redo_metaread'  0
                                        'rest_str'   Pa Nederlands loc eur netherlands
                                      'tag_artist'  Henk Elsink
                                     'tag_release'  None
                                       'tag_title'  Wat een vak
                                             'bpm'  120.8
                                    'search_title'  'een':2 'vak':3 'wat':1
                                   'search_artist'  'elsink':2 'henk':1
                                  'search_release'  
                                     'search_rest'  'eur':4 'loc':3 'nederlands':2 'netherlands':5 'pa':1
                                    'search_combo'  'een':2A 'elsink':5B 'eur':9 'henk':4B 'loc':8 'nederlands':7 'netherlands':10 'pa':6 'vak':3A 'wat':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630398.1281228  (2021-05-21 22:53:18)
                             'size'  3677324